Sharp XL-505H Service Manual page 23

CD LID SWITCH PWB-A7
1 1
SW701
CD EJECT
2 2
R787 R788 R794
47K 47K 47K
81 1K
80 1K
79 1K
78 1K
77 10K
76 1K
75 1K
74 1K
73 1K
72 1K
71 1K
70 1K
+B
+B
+B
+B +B
R822
330
VR803
100K(B)
+B
2
R832
FOCUS
15K
OFFSET
R825
D
470K
R833
8.2K
C826
1/50
827
C827
50K
470P
N
R828 C841
2.7K
0.0047
R837
N
2.7K
D
P
+B R842
10K
R841
O
1K
R843
47K
C831
0.056 (ML)
R845
C847
2.2M
100P
C832
47/16
C828
0.056
(ML)
C848 R846
33K
0.01
C833 C849
0.01
220/10
C830
47P
C834
(ML)
0.056
38
K
TSO
TP801
3 2 1
• The numbers 1 to 17
7
+B M 12V
+B D GND
VCL
VCE
VDI
CL
DO
CE
DI
CD STB
BUS3
BUS2
BUS1
BUS0
+B
u-CON5V
PU IN
BIAS
B-CAN
REC
MOT
SOL
P.F
RUN PLS
CAM-SW
R-MUTE
BUCK
CCE
CD RES
+B +B
SD
STEREO
CD+B
P CONT
+B
A 12V
P MUTE
+B
D801
RL104A
D718
RL104A
C862
C863
330/10
0.022
C864
10/16
0.022
(ML)
+B
R830
220K
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
41 2VREF
42 SEL
FOCUS
TIMING
TRACKING
43 FCSI
GENERATOR
SERVO
CONTROL
44 FKIC
45 FEL2
46 FEL1
47
FEI
SERVO
48 TESH
STATUS
49 TEOF
50 SBAD
51 RFRP
52 VREF
53 RFI
16K RAM
C842
54
GNDA
0.0033
55 DTSC2
C843
56
MONIT
0.0033
57 DTSC1
58 VDDA
CORRECT
59 PDCNT
R844
60 PDO
220K
61
TMAX
62
LPFN
AUDIO OUT
63 LPFO
64 VCOF
65 66 77 78 79 70 71 72 73 74 75 76 77 78
IC802
TC9284BF
C853
0.056
SERVO/SIGNAL CONTROL
(ML)
CD SIGNAL
are waveform numbers shown in page 28.
8
Figure 23 SCHEMATIC DIAGRAM (4/4)
XL-505H,505E,507E/CP-505,505E,507
Q861
2SD468 C
+B
5V 6.3V
5.6V R866
82
R867
10
C861
ZD801
UZ5.6BSB
PU IN
C887
0.022
C885
0.0022
R887
1.8K
+B
C883
10/16
R885
10K
CLCK 2 4
C856
SUBD 23
270P
SUBSYC 22
RST 21
PFCK 20
BUCK 19
CCE 18
BUS3 17
BUS2 16
BUS1 15
BUS0 14
R881
GNDD 13
220
12
VDDD
+B
11
SBOK
10
TEST5
9
TEST4
8
TEST3
7
GNDA
6
LO
5
LO
+B
4
VDA
C850
3
RO
0.022
2
RO
1
GNDA
79 80
+B
R852
C865
1K 0.022
(ML)
X801
9 10
– 23 –
CD SERVO PWB-A2
+B
+B
+B +B
+B
+B
+B
+B
R908
47K
5.9V
1
Q906
KRA102 M
4.9V
4.9V
2
11.5V
+B
10.7V
Q905
2SB562 C
D902
1SS133
+B
C903
100/25
+B
+B
R902
R905
56K
10K
R904 11.3V
390
2
C886
Q902
0.0022
1 2SB562 C
R888
1.8K 3
D901
C902
1SS133
3.3/50
C884
10/16
R886
10K
7 6 5 4 3 2 1
7 6 5 4 3 2 1
7 6 5 4 3 2 1
PH901 SW901
RECORD
PREVENTION
TAPE MECHANISM
PWB-C
11
M 12V
1
D GND
2
VCL
3
VCE
4
VDI
5
CL
6
DO
7
CE
8
DI
9
10
CNS603
M GND
15
+B
S+6.2V
14
A GND
13
R-CH
12
L-CH
11
P MUTE
10
A 12V
9
P CONT
8
CD+B
7
R-MUTE
6
FM ST
5
SD
4
REC
3
B-CAN
2
BIAS
1
CNS602
D903
1SS133
3
R906
1.5K
0V
2
1
3
4.4V
R901
1.5K
0V
2
1
3
0V
C901
0.001
BI901
CNS901
CNP901
SW902
CAM
FW901
+ –
M
SOL901
SOLENOID
M901
TAPE
12